Color palette
This commit is contained in:
Michael Jumper
parent
fc1683da30
commit
5f59ccf5c1
@ -69,10 +69,24 @@ struct ssh_guac_terminal {
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int cursor_row;
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int cursor_col;
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int foreground;
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int background;
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int default_foreground;
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int default_background;
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ssh_guac_terminal_char_handler* char_handler;
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};
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typedef struct ssh_guac_terminal_color {
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int red;
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int green;
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int blue;
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} ssh_guac_terminal_color;
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extern const ssh_guac_terminal_color ssh_guac_terminal_palette[16];
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ssh_guac_terminal* ssh_guac_terminal_create(guac_client* client);
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void ssh_guac_terminal_free(ssh_guac_terminal* term);
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@ -82,15 +96,16 @@ int ssh_guac_terminal_send_glyph(ssh_guac_terminal* term, int row, int col, char
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int ssh_guac_terminal_copy(ssh_guac_terminal* term,
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int src_row, int src_col, int rows, int cols,
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int dst_row, int dst_col);
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int ssh_guac_terminal_clear(ssh_guac_terminal* term,
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int row, int col, int rows, int cols);
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int row, int col, int rows, int cols, int background_color);
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int ssh_guac_terminal_scroll_up(ssh_guac_terminal* term,
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int start_row, int end_row, int amount);
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int ssh_guac_terminal_clear_range(ssh_guac_terminal* term,
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int start_row, int start_col,
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int end_row, int end_col);
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int end_row, int end_col, int background_color);
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#endif
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@ -49,6 +49,30 @@
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#include "ssh_terminal.h"
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#include "ssh_terminal_handlers.h"
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const ssh_guac_terminal_color ssh_guac_terminal_palette[16] = {
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/* Normal colors */
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{0x00, 0x00, 0x00}, /* Black */
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{0x80, 0x00, 0x00}, /* Red */
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{0x00, 0x80, 0x00}, /* Green */
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{0x80, 0x80, 0x00}, /* Brown */
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{0x00, 0x00, 0x80}, /* Blue */
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{0x80, 0x00, 0x80}, /* Magenta */
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{0x00, 0x80, 0x80}, /* Cyan */
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{0x80, 0x80, 0x80}, /* White */
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/* Intense colors */
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{0x40, 0x40, 0x40}, /* Black */
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{0xFF, 0x00, 0x00}, /* Red */
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{0x00, 0xFF, 0x00}, /* Green */
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{0xFF, 0xFF, 0x00}, /* Brown */
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{0x00, 0x00, 0xFF}, /* Blue */
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{0xFF, 0x00, 0xFF}, /* Magenta */
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{0x00, 0xFF, 0xFF}, /* Cyan */
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{0xFF, 0xFF, 0xFF}, /* White */
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};
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ssh_guac_terminal* ssh_guac_terminal_create(guac_client* client) {
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PangoFontMap* font_map;
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@ -59,6 +83,9 @@ ssh_guac_terminal* ssh_guac_terminal_create(guac_client* client) {
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ssh_guac_terminal* term = malloc(sizeof(ssh_guac_terminal));
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term->client = client;
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term->foreground = term->default_foreground = 7; /* White */
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term->background = term->default_background = 0; /* Black */
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term->cursor_row = 0;
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term->cursor_col = 0;
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@ -94,6 +121,11 @@ ssh_guac_terminal* ssh_guac_terminal_create(guac_client* client) {
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(pango_font_metrics_get_descent(metrics)
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+ pango_font_metrics_get_ascent(metrics)) / PANGO_SCALE;
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/* Clear with background color */
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ssh_guac_terminal_clear(term,
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0, 0, term->term_width, term->term_height,
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term->background);
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return term;
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}
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@ -107,6 +139,10 @@ guac_layer* __ssh_guac_terminal_get_glyph(ssh_guac_terminal* term, char c) {
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GUACIO* io = term->client->io;
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guac_layer* glyph;
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/* Use default foreground color */
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const ssh_guac_terminal_color* color =
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&ssh_guac_terminal_palette[term->default_foreground];
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cairo_surface_t* surface;
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cairo_t* cairo;
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@ -128,7 +164,12 @@ guac_layer* __ssh_guac_terminal_get_glyph(ssh_guac_terminal* term, char c) {
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pango_layout_set_text(layout, &c, 1);
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/* Draw */
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cairo_set_source_rgba(cairo, 1.0, 1.0, 1.0, 1.0);
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cairo_set_source_rgba(cairo,
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color->red / 255.0,
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color->green / 255.0,
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color->blue / 255.0,
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1.0 /* alpha */ );
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cairo_move_to(cairo, 0.0, 0.0);
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pango_cairo_show_layout(cairo, layout);
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@ -193,19 +234,20 @@ int ssh_guac_terminal_copy(ssh_guac_terminal* term,
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int ssh_guac_terminal_clear(ssh_guac_terminal* term,
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int row, int col, int rows, int cols) {
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int row, int col, int rows, int cols, int background_color) {
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GUACIO* io = term->client->io;
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const ssh_guac_terminal_color* color =
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&ssh_guac_terminal_palette[background_color];
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/* Fill with background */
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/* Fill with color */
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return guac_send_rect(io,
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GUAC_COMP_SRC, GUAC_DEFAULT_LAYER,
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col * term->char_width, row * term->char_height,
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cols * term->char_width, rows * term->char_height,
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/* Background */
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0, 0, 0, 255);
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color->red, color->green, color->blue, 255);
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}
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@ -225,21 +267,23 @@ int ssh_guac_terminal_scroll_up(ssh_guac_terminal* term,
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/* Fill new rows with background */
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|| ssh_guac_terminal_clear(term,
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end_row - amount + 1, 0, amount, term->term_width);
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end_row - amount + 1, 0, amount, term->term_width,
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term->background);
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}
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int ssh_guac_terminal_clear_range(ssh_guac_terminal* term,
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int start_row, int start_col,
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int end_row, int end_col) {
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int end_row, int end_col, int background_color) {
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/* If not at far left, must clear sub-region to far right */
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if (start_col > 0) {
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/* Clear from start_col to far right */
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if (ssh_guac_terminal_clear(term,
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start_row, start_col, 1, term->term_width - start_col))
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start_row, start_col, 1, term->term_width - start_col,
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background_color))
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return 1;
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/* One less row to clear */
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@ -251,7 +295,8 @@ int ssh_guac_terminal_clear_range(ssh_guac_terminal* term,
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/* Clear from far left to end_col */
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if (ssh_guac_terminal_clear(term,
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end_row, 0, 1, end_col + 1))
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end_row, 0, 1, end_col + 1,
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background_color))
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return 1;
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/* One less row to clear */
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@ -263,7 +308,8 @@ int ssh_guac_terminal_clear_range(ssh_guac_terminal* term,
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if (start_row <= end_row) {
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if (ssh_guac_terminal_clear(term,
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start_row, 0, end_row - start_row + 1, term->term_width))
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start_row, 0, end_row - start_row + 1, term->term_width,
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background_color))
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return 1;
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}
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@ -186,18 +186,21 @@ int ssh_guac_terminal_csi(ssh_guac_terminal* term, char c) {
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if (argv[0] == 0)
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ssh_guac_terminal_clear_range(term,
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term->cursor_row, term->cursor_col,
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term->term_height-1, term->term_width-1);
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term->term_height-1, term->term_width-1,
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term->background);
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/* Erase from start to cursor */
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else if (argv[0] == 1)
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ssh_guac_terminal_clear_range(term,
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0, 0,
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term->cursor_row, term->cursor_col);
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term->cursor_row, term->cursor_col,
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term->background);
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/* Entire screen */
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else if (argv[0] == 2)
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ssh_guac_terminal_clear(term,
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0, 0, term->term_height, term->term_width);
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0, 0, term->term_height, term->term_width,
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term->background);
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break;
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@ -208,19 +211,23 @@ int ssh_guac_terminal_csi(ssh_guac_terminal* term, char c) {
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if (argv[0] == 0)
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ssh_guac_terminal_clear(term,
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term->cursor_row, term->cursor_col,
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1, term->term_width - term->cursor_col);
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1, term->term_width - term->cursor_col,
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term->background);
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/* Erase from start to cursor */
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else if (argv[0] == 1)
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ssh_guac_terminal_clear(term,
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term->cursor_row, 0,
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1, term->cursor_col + 1);
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1, term->cursor_col + 1,
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term->background);
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/* Erase line */
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else if (argv[0] == 2)
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ssh_guac_terminal_clear(term,
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term->cursor_row, 0,
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1, term->term_width);
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1, term->term_width,
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term->background);
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break;
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